Files
moreminimore-redesign/packages/blocks/playground/src/Playground.tsx
Matt Kane 2e863566b3 Fix scope
2026-04-01 10:58:32 +01:00

420 lines
15 KiB
TypeScript

import { Sun, Moon, Share, Check, Trash, CaretDown, Warning, Plus } from "@phosphor-icons/react";
import { BlockRenderer, validateBlocks } from "@emdash-cms/blocks";
import type { Block, BlockInteraction } from "@emdash-cms/blocks";
import { useCallback, useEffect, useMemo, useRef, useState } from "react";
import { blockCatalog } from "./block-defaults";
import { templates } from "./templates";
import { useResizable } from "./useResizable";
// ── Types ────────────────────────────────────────────────────────────────────
interface ActionLogEntry {
id: number;
timestamp: Date;
interaction: BlockInteraction;
}
// ── Hash sharing ─────────────────────────────────────────────────────────────
function encodeToHash(blocks: Block[]): string {
try {
const json = JSON.stringify(blocks);
return btoa(encodeURIComponent(json));
} catch {
return "";
}
}
function decodeFromHash(hash: string): Block[] | null {
try {
const json = decodeURIComponent(atob(hash));
const parsed: unknown = JSON.parse(json);
if (!Array.isArray(parsed)) return null;
const result = validateBlocks(parsed);
if (!result.valid) return null;
return parsed as Block[];
} catch {
return null;
}
}
// ── Drag handle ──────────────────────────────────────────────────────────────
function DragHandle({
onMouseDown,
isDragging,
}: {
onMouseDown: (e: React.MouseEvent) => void;
isDragging: boolean;
}) {
return (
<div
className={`group relative w-[5px] shrink-0 cursor-col-resize ${isDragging ? "bg-kumo-info/40" : ""}`}
onMouseDown={onMouseDown}
>
{/* Visible border line */}
<div className="absolute inset-y-0 left-1/2 w-px -translate-x-1/2 bg-kumo-line group-hover:bg-kumo-info/50" />
</div>
);
}
// ── Component ────────────────────────────────────────────────────────────────
export function Playground() {
const [theme, setTheme] = useState<"light" | "dark">(() => {
if (
typeof window !== "undefined" &&
window.matchMedia("(prefers-color-scheme: dark)").matches
) {
return "dark";
}
return "light";
});
// Load initial blocks from hash or first template
const [blocks, setBlocks] = useState<Block[]>(() => {
if (typeof window !== "undefined" && window.location.hash.length > 1) {
const decoded = decodeFromHash(window.location.hash.slice(1));
if (decoded) return decoded;
}
return templates[0]?.blocks ?? [];
});
const [editorText, setEditorText] = useState(() => JSON.stringify(blocks, null, 2));
const [parseError, setParseError] = useState<string | null>(null);
const [validationErrors, setValidationErrors] = useState<string[]>([]);
const [actionLog, setActionLog] = useState<ActionLogEntry[]>([]);
const [copied, setCopied] = useState(false);
const [templateMenuOpen, setTemplateMenuOpen] = useState(false);
const logEndRef = useRef<HTMLDivElement>(null);
const nextId = useRef(0);
const templateMenuRef = useRef<HTMLDivElement>(null);
// Resizable panels
const catalog = useResizable({ initial: 220, min: 160, max: 320 });
const editor = useResizable({ initial: 480, min: 300, max: 800 });
// Apply theme
useEffect(() => {
document.documentElement.setAttribute("data-theme", theme);
}, [theme]);
// Close template menu on outside click
useEffect(() => {
function handleClick(e: MouseEvent) {
if (templateMenuRef.current && !templateMenuRef.current.contains(e.target as Node)) {
setTemplateMenuOpen(false);
}
}
if (templateMenuOpen) {
document.addEventListener("mousedown", handleClick);
return () => document.removeEventListener("mousedown", handleClick);
}
}, [templateMenuOpen]);
// Auto-scroll log
useEffect(() => {
logEndRef.current?.scrollIntoView({ behavior: "smooth" });
}, [actionLog]);
// Parse editor text into blocks
const updateFromText = useCallback((text: string) => {
setEditorText(text);
try {
const parsed: unknown = JSON.parse(text);
setParseError(null);
if (!Array.isArray(parsed)) {
setParseError("Root must be an array of blocks");
return;
}
const result = validateBlocks(parsed);
const validated = parsed as Block[];
if (!result.valid) {
setValidationErrors(result.errors.map((e) => `${e.path}: ${e.message}`));
// Still render what we can
setBlocks(validated);
} else {
setValidationErrors([]);
setBlocks(validated);
}
} catch (err) {
setParseError(err instanceof Error ? err.message : "Invalid JSON");
}
}, []);
// Handle block interactions
const handleAction = useCallback((interaction: BlockInteraction) => {
setActionLog((prev) => [...prev, { id: nextId.current++, timestamp: new Date(), interaction }]);
}, []);
// Load a template
const loadTemplate = useCallback((index: number) => {
const template = templates[index];
if (!template) return;
const text = JSON.stringify(template.blocks, null, 2);
setEditorText(text);
setBlocks(template.blocks);
setParseError(null);
setValidationErrors([]);
setTemplateMenuOpen(false);
}, []);
// Insert a block from the catalog
const insertBlock = useCallback(
(catalogIndex: number) => {
const entry = blockCatalog[catalogIndex];
if (!entry) return;
const newBlock = entry.create();
const updated = [...blocks, newBlock];
const text = JSON.stringify(updated, null, 2);
setBlocks(updated);
setEditorText(text);
setParseError(null);
setValidationErrors([]);
},
[blocks],
);
// Share URL
const shareUrl = useCallback(async () => {
const hash = encodeToHash(blocks);
const url = `${window.location.origin}${window.location.pathname}#${hash}`;
window.history.replaceState(null, "", `#${hash}`);
try {
await navigator.clipboard.writeText(url);
setCopied(true);
setTimeout(setCopied, 2000, false);
} catch {
// Fallback: just update the URL
}
}, [blocks]);
// Error count for status bar
const errorCount = useMemo(() => {
let count = 0;
if (parseError) count++;
count += validationErrors.length;
return count;
}, [parseError, validationErrors]);
return (
<div className="flex h-screen flex-col" style={{ colorScheme: theme }}>
{/* ── Toolbar ─────────────────────────────────────── */}
<header className="flex h-11 shrink-0 items-center gap-2 border-b border-kumo-line bg-kumo-bg px-3">
<span className="text-sm font-semibold text-kumo-text">Block Kit Playground</span>
<div className="ml-auto flex items-center gap-1.5">
{/* Template picker */}
<div className="relative" ref={templateMenuRef}>
<button
type="button"
onClick={() => setTemplateMenuOpen((v) => !v)}
className="flex items-center gap-1 rounded-md px-2.5 py-1.5 text-xs font-medium text-kumo-text-secondary hover:bg-kumo-tint"
>
Templates
<CaretDown size={12} weight="bold" />
</button>
{templateMenuOpen && (
<div
className="absolute right-0 top-full z-50 mt-1 w-64 rounded-lg border border-kumo-line p-1 shadow-lg"
style={{ backgroundColor: "var(--kumo-bg, Canvas)" }}
>
{templates.map((t, i) => (
<button
key={t.name}
type="button"
onClick={() => loadTemplate(i)}
className="flex w-full flex-col items-start rounded-md px-3 py-2 text-left hover:bg-kumo-tint"
>
<span className="text-sm font-medium text-kumo-text">{t.name}</span>
<span className="text-xs text-kumo-text-secondary">{t.description}</span>
</button>
))}
</div>
)}
</div>
{/* Share */}
<button
type="button"
onClick={shareUrl}
className="flex items-center gap-1 rounded-md px-2.5 py-1.5 text-xs font-medium text-kumo-text-secondary hover:bg-kumo-tint"
>
{copied ? <Check size={14} /> : <Share size={14} />}
{copied ? "Copied!" : "Share"}
</button>
{/* Theme toggle */}
<button
type="button"
onClick={() => setTheme((t) => (t === "light" ? "dark" : "light"))}
className="rounded-md p-1.5 text-kumo-text-secondary hover:bg-kumo-tint"
aria-label="Toggle theme"
>
{theme === "light" ? <Moon size={16} /> : <Sun size={16} />}
</button>
</div>
</header>
{/* ── Three-column layout ─────────────────────────── */}
<div className="flex min-h-0 flex-1">
{/* ── Left: Block catalog ──────────────────────── */}
<div className="flex shrink-0 flex-col" style={{ width: catalog.width }}>
<div className="flex h-8 items-center border-b border-kumo-line bg-kumo-tint/50 px-3">
<span className="text-[11px] font-medium uppercase tracking-wide text-kumo-text-secondary">
Add Block
</span>
</div>
<div className="min-h-0 flex-1 overflow-auto p-1.5">
{blockCatalog.map((entry, i) => (
<button
key={entry.type}
type="button"
onClick={() => insertBlock(i)}
className="flex w-full items-start gap-2 rounded-md px-2.5 py-2 text-left hover:bg-kumo-tint"
>
<Plus
size={14}
weight="bold"
className="mt-0.5 shrink-0 text-kumo-text-secondary"
/>
<div className="min-w-0">
<div className="text-xs font-medium text-kumo-text">{entry.label}</div>
<div className="text-[11px] leading-tight text-kumo-text-secondary">
{entry.description}
</div>
</div>
</button>
))}
</div>
</div>
<DragHandle onMouseDown={catalog.handleMouseDown} isDragging={catalog.isDragging} />
{/* ── Center: JSON editor ──────────────────────── */}
<div className="flex shrink-0 flex-col" style={{ width: editor.width }}>
<div className="flex h-8 items-center border-b border-kumo-line bg-kumo-tint/50 px-3">
<span className="text-[11px] font-medium uppercase tracking-wide text-kumo-text-secondary">
JSON Editor
</span>
{errorCount > 0 && (
<span className="ml-auto flex items-center gap-1 text-[11px] font-medium text-kumo-warning">
<Warning size={12} weight="fill" />
{errorCount} {errorCount === 1 ? "error" : "errors"}
</span>
)}
</div>
<textarea
className="editor-textarea min-h-0 flex-1 border-none bg-kumo-bg p-3 text-kumo-text outline-none"
value={editorText}
onChange={(e: React.ChangeEvent<HTMLTextAreaElement>) => updateFromText(e.target.value)}
spellCheck={false}
autoCapitalize="off"
autoCorrect="off"
/>
{/* Error display */}
{(parseError ?? validationErrors.length > 0) && (
<div className="max-h-32 shrink-0 overflow-auto border-t border-kumo-line bg-kumo-danger/5 p-2">
{parseError && <p className="text-xs text-kumo-danger">{parseError}</p>}
{validationErrors.map((err, i) => (
<p key={i} className="text-xs text-kumo-warning">
{err}
</p>
))}
</div>
)}
</div>
<DragHandle onMouseDown={editor.handleMouseDown} isDragging={editor.isDragging} />
{/* ── Right: Preview + Action log ──────────────── */}
<div className="flex min-w-0 flex-1 flex-col">
{/* Preview */}
<div className="flex h-8 items-center border-b border-kumo-line bg-kumo-tint/50 px-3">
<span className="text-[11px] font-medium uppercase tracking-wide text-kumo-text-secondary">
Preview
</span>
</div>
<div className="min-h-0 flex-1 overflow-auto p-4">
<div className="mx-auto max-w-2xl">
{!parseError && blocks.length > 0 ? (
<BlockRenderer blocks={blocks} onAction={handleAction} />
) : (
<div className="flex h-full items-center justify-center">
<p className="text-sm text-kumo-text-secondary">
{parseError
? "Fix JSON errors to see preview"
: "Enter block JSON to see preview"}
</p>
</div>
)}
</div>
</div>
{/* Action log */}
<div className="flex h-48 shrink-0 flex-col border-t border-kumo-line">
<div className="flex h-8 items-center border-b border-kumo-line bg-kumo-tint/50 px-3">
<span className="text-[11px] font-medium uppercase tracking-wide text-kumo-text-secondary">
Action Log
</span>
<span className="ml-1.5 rounded-full bg-kumo-tint px-1.5 py-0.5 text-[10px] font-medium text-kumo-text-secondary">
{actionLog.length}
</span>
{actionLog.length > 0 && (
<button
type="button"
onClick={() => setActionLog([])}
className="ml-auto rounded-md p-1 text-kumo-text-secondary hover:bg-kumo-tint"
aria-label="Clear log"
>
<Trash size={12} />
</button>
)}
</div>
<div className="min-h-0 flex-1 overflow-auto p-2">
{actionLog.length === 0 ? (
<p className="p-2 text-xs text-kumo-text-secondary">
Interact with the preview to see actions logged here.
</p>
) : (
actionLog.map((entry) => (
<div
key={entry.id}
className="action-log-entry border-b border-kumo-line/50 px-2 py-1.5 last:border-b-0"
>
<div className="flex items-baseline gap-2">
<span className="shrink-0 text-kumo-text-secondary">
{entry.timestamp.toLocaleTimeString()}
</span>
<span className="rounded bg-kumo-tint px-1 py-0.5 text-[10px] font-semibold uppercase text-kumo-text-secondary">
{entry.interaction.type}
</span>
{"action_id" in entry.interaction && (
<span className="font-medium text-kumo-text">
{entry.interaction.action_id}
</span>
)}
</div>
{"values" in entry.interaction && (
<pre className="mt-1 text-[11px] text-kumo-text-secondary">
{JSON.stringify(entry.interaction.values, null, 2)}
</pre>
)}
{"value" in entry.interaction && entry.interaction.value !== undefined && (
<pre className="mt-1 text-[11px] text-kumo-text-secondary">
{JSON.stringify(entry.interaction.value)}
</pre>
)}
</div>
))
)}
<div ref={logEndRef} />
</div>
</div>
</div>
</div>
</div>
);
}